Trisports.com has a geometry chart.

http://www.trisports.com/sofafr1.html

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Brian Stover USAT LII
Accelerate3 Coaching
Insta

www.cervelo.com ;)

BTW I can also tell you then new FasTT has a smaller headtube then the TT7 otherwise the fit is about the same. I've been fortunate enough to put a few miles in on a FasTT. All in all when they get the kinks worked out on it, it's going to be an awesome machine.

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Brian Stover USAT LII
Accelerate3 Coaching
Insta